package com.book.servlet;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.book.dao.BookDao;
import com.book.domain.Book;
import com.book.domain.SplitPage;

/**
 * Servlet implementation class SplitPageServlet
 */
public class SplitPageServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public SplitPageServlet() {
        super();
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	    BookDao bookDao=new BookDao();
	    List<Book> bookslist= bookDao.listAllBooks();
	    int m_totalrecord=bookslist.size();
	   String currentpage=(String) request.getParameter("currentpage");
	   System.out.println("currentpage========"+currentpage);
	   int m_currentpage;
	   if (currentpage==null|currentpage=="") {
		m_currentpage=1;
	   }else {
		   m_currentpage=Integer.parseInt(currentpage);
	   }
	    
	    int m_perpagerecord=2;
	    SplitPage oldSplitPage=new SplitPage();
	    oldSplitPage.setCurrentpage(m_currentpage);
	    oldSplitPage.setTotalrecord(m_totalrecord);
	    oldSplitPage.setPerpagerecord(m_perpagerecord);
	    SplitPage newSplitPage= SplitPage.calculatepage(oldSplitPage);
	   
	    List<Book> booksList2= bookDao.splitpagebook(newSplitPage, null);
		request.setAttribute("bookslist", booksList2);
		request.setAttribute("newsplitpage", newSplitPage);
		request.getRequestDispatcher("/index.jsp").forward(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
         doGet(request, response);
	}

}
